Virus-derived siRNAs and piRNAs in immunity and pathogenesis.

Virus-derived siRNAs and piRNAs in immunity and pathogenesis.
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DOI:
10.1016/j.coviro.2011.10.028
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发表时间:
2011-12
影响因子:
5.9
通讯作者:
Lu, Rui
Lu, Rui
中科院分区:
医学2区
文献类型:
--
作者:
Ding, Shou-Wei;Lu, Rui

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细胞生物体已经进化出小干扰RNA(siRNA)、microRNA和PIWI相互作用RNA(piRNA)的生物发生和功能的相关途径。这些不同类别的小RNA通过充当特异性决定子在转录和转录后水平上引导特异性基因沉默。已经发现病毒和宿主来源的小RNA通过RNA干扰(RNAi)调节病毒-宿主相互作用,导致抗病毒免疫或病毒致病。基于病毒衍生的小RNA作为宿主免疫识别产物的深度测序分析不仅使我们能够深入了解参与抗病毒免疫的宿主因子的扩展和功能特化,而且还可以以不依赖培养的方式识别新病毒。在这里,我们回顾了病毒衍生的siRNA和piRNA在真核宿主中的特征和功能的最新进展。
Cellular organisms have evolved related pathways for the biogenesis and function of small interfering RNAs (siRNAs), microRNAs and PIWI-interacting RNAs (piRNAs). These distinct classes of small RNAs guide specific gene silencing at both transcriptional and posttranscriptional levels by serving as specificity determinants. Small RNAs of virus and host origins have been found to modulate virus-host interactions by RNA interference (RNAi), leading to antiviral immunity or viral pathogenesis. Deep sequencing-based profiling of virus-derived small RNAs as products of host immune recognition not only allowed us to gain insight into the expansion and functional specialization of host factors involved in the antiviral immunity, but also made it possible to identify new viruses in a culture-independent manner. Here we review recent developments on the characterization and function of virus-derived siRNAs and piRNAs in eukaryotic hosts.
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